The data of this study are analysed by using Data Envelopment Analysis(DEA) and Malmquist Productivity Index(MPI) in order to find out the management efficiency and the inter-temporal change.

• MPI)，分别求算个别银行之经营效率值与跨期成长率，来探讨加入金控体系之银行是否真的优于未加入金控体系之银行。